| Subject | Total | 18 years and over | Under 18 years | |||
| Number | Percent | Number | Percent | Number | Percent | |
| POPULATION | ||||||
| Total Population | 40,246 | 100.0 | 30,333 | 100.0 | 9,913 | 100.0 |
| RACE | ||||||
| One Race | 38,900 | 96.7 | 29,428 | 97.0 | 9,472 | 95.6 |
| White | 20,778 | 51.6 | 16,329 | 53.8 | 4,449 | 44.9 |
| Black or African American | 204 | 0.5 | 147 | 0.5 | 57 | 0.6 |
| American Indian and Alaska Native | 6,447 | 16.0 | 4,433 | 14.6 | 2,014 | 20.3 |
| Asian | 170 | 0.4 | 123 | 0.4 | 47 | 0.5 |
| Native Hawaiian and Other Pacific Islander | 13 | 0.0 | 10 | 0.0 | 3 | 0.0 |
| Some Other Race | 11,288 | 28.0 | 8,386 | 27.6 | 2,902 | 29.3 |
| Two or More Races | 1,346 | 3.3 | 905 | 3.0 | 441 | 4.4 |
HISPANIC OR LATINO AND RACE | ||||||
| Hispanic or Latino (of any race) | 28,703 | 71.3 | 21,238 | 70.0 | 7,465 | 75.3 |
| Not Hispanic or Latino | 11,543 | 28.7 | 9,095 | 30.0 | 2,448 | 24.7 |
| One Race | 11,256 | 28.0 | 8,897 | 29.3 | 2,359 | 23.8 |
| White | 5,148 | 12.8 | 4,628 | 15.3 | 520 | 5.2 |
| Black or African American | 103 | 0.3 | 80 | 0.3 | 23 | 0.2 |
| American Indian and Alaska Native | 5,651 | 14.0 | 3,919 | 12.9 | 1,732 | 17.5 |
| Asian | 138 | 0.3 | 112 | 0.4 | 26 | 0.3 |
| Native Hawaiian and Other Pacific Islander | 7 | 0.0 | 5 | 0.0 | 2 | 0.0 |
| Some Other Race | 209 | 0.5 | 153 | 0.5 | 56 | 0.6 |
| Two or More Races | 287 | 0.7 | 198 | 0.7 | 89 | 0.9 |
HOUSING UNITS | ||||||
| Total housing units | 19,638 | 100.0 | ||||
OCCUPANCY STATUS | ||||||
| Occupied housing units | 15,768 | 80.3 | ||||
| Vacant housing units | 3,870 | 19.7 | ||||